func main()
	var n: int :: cui@inputInt()
	var k: int :: cui@inputInt()
	var x: int :: 0
	for i(1, n)
		if(i <= n - 2 - k)
			do cui@print("\{x}\{i = n ?("\n", " ")}")
		else
			do cui@print("\{x}\{i = n ?("\n", " ")}")
			if(x = 0)
				do x :: 1
			elif(x > 0)
				do x :: -x
			else
				do x :: -x + 1
			end if
		end if
	end for
end func